Harmony centers on the titular 21-year-old homeless woman, played by Jessica Falkholt, who can absorb fear from anyone that she comes in contact with.

Harmony meets Mason, played by Jerome Meyer, a socially awkward man who is seemingly void of fear.

However, she soon crosses paths with Jimmy, played by Eamon Farren, whose evil presence exudes fear.

After a near-death experience, Harmony and Mason must unite to balance the growing negative energy.

Prior to Harmony's release on 4 October 2018, Jake Wilson of The Sydney Morning Herald said of the film that "this amateurish local try at a fantasy for teenagers is a transparently bad movie, but bad in a disorientating, vaguely psychedelic way, obeying laws peculiarly its own.